semiaaaaaaaaa^[74] – n. anyone who survives the death of at least one but less than all parents, this can include but is not limited to biological, step, ex-step, adopted, and foster parents depending on the perspective of the mourner:

Of all his parents, he was closest to his ex-step mother but grieving for her death was complicated by repeated aaaaaaaa^[17]s such as “Well, be thankful that your real mother is still alive.” His friends had been much more able to understand when his aaaaaa^[7] died earlier in the year. No one seemed to grasp that he was a semiaaaaaaaaa^[74] who had just lost the magnetic North of his psychological compass.